I am junior________my elder brother________four years.
| A．to, by | B．than, for | C．to, for | D．with, by |
A _______ broke the newly-planted tree, ______ the planter feel very angry and sad.
| A．falling stone; made | B．fallen stone; and made |
| C．falling stone; making | D．fallen stone; to make |
Suddenly I heard a terrible noise ahead. I looked forward _______ what was happening, but found nothing.
| A．to seeing | B．to see | C．for seeing | D．and see |
Many businesses must have been badly influenced during that financial crisis, ________?
| A．haven’t they | B．didn’t they | C．must’t they | D．weren’t they |
Your attention, please! ________ today is Professor Yu Dan from Beijing Normal University.
| A．Have joined us | B．To join us | C．Joining us | D．Join us |
---You see, I’m poor in Chinese, you are not good at English, and...
--- That’s ____ we should help each other.
| A．when | B．where | C．how | D．what |